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On Wed, Mar 30, 2011 at 13:41, Raimo Niskanen <> wrote: > Please inform a newbie, I just checked HTML4.01 and did not > find any "cache" attribute. I think Koener meant HTTP caching. Here's a random but nice looking article about it: http://betterexplained.com/articles/how-to-optimize-your-site-with-http-caching/